机械传动基础知识.docxVIP

机械传动基础知识

目录

一、机械传动的基本概念......................................4

1.机械传动的定义........................................5

2.机械传动的类型........................................5

3.机械传动的功能........................................7

二、机械传动系统的组成......................................8

1.输入装置..............................................9

2.动力元件.............................................10

3.执行元件.............................................12

4.反馈装置.............................................13

三、传动效率和传动比.......................................14

1.传动效率的概念.......................................15

2.传动效率的计算.......................................15

3.传动比的定义.........................................16

4.传动比的计算和选择...................................17

四、常用机械传动元件.......................................17

1.齿轮传动.............................................18

1.1齿轮传动的工作原理................................19

1.2齿轮传动的优点与缺点..............................21

1.3齿轮的选择与安装..................................22

2.链传动...............................................23

2.1链传动的工作原理..................................24

2.2链传动的特点......................................25

2.3链的选择与应用....................................26

3.带传动...............................................28

3.1带传动的工作原理..................................28

3.2带传动的类型......................................29

3.3带的选择与使用....................................31

4.蜗轮蜗杆传动.........................................32

4.1蜗轮蜗杆传动的工作原理............................34

4.2蜗轮蜗杆传动的特点................................35

4.3蜗轮蜗杆的选择和应用..............................36

5.丝杆传动.............................................37

5.1丝杆传动的工作原理................................39

5.2丝杆传动的特点....................................40

5.3丝杆的选择和应用..................................41

五、机械传动的传动控制.....................................42

1.传动控制的目的.....................................